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Finding the Fourth Proportional to 269,416,687.80, 404,125,031.70 and 269,416,687.80

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Solution

The fourth proportional to 269,416,687.80, 404,125,031.70 and 269,416,687.80 is: 404,125,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,416,687.80 : 404,125,031.70 = 269,416,687.80 : x
  2. Step 2: Convert to fraction form
    269,416,687.80/404,125,031.70 = 269,416,687.80/x
  3. Step 3: Cross multiply
    269,416,687.80x = 404,125,031.70 × 269,416,687.80
  4. Step 4: Simplify right side
    269,416,687.80x = 108,878,027,497,684,000
  5. Step 5: Solve for x
    x = 108,878,027,497,684,000/269,416,687.80
  6. Step 6: Final answer
    x = 404,125,031.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.